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About Us

We Are R.H. Grabau Construction

R.H. Grabau has been doing business in the heart of Iowa since 1946.
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Building Trust Since 1946

The expertise gained from 75 years of excellence is demonstrated in hundreds of projects including offices, churches and everything in between.

Our History
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Talented, Hardworking People

A company is only as good as its people and we have been blessed with talented, hardworking field and office personnel since our founding in 1946.

Meet Our Team
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Award Winning Master Builders

As an award-winning Master Builder, R.H. Grabau Construction takes great pride in our reputation of dependability and quality performance.

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Our History

Building Trust Since 1946

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1946 – 1969

1946 - 1969

1946
- New Lutheran Church in Ames
- Laid the Concrete for the Cement Floor for Cattle Barn at Boone County Fairgrounds, Boone
- New Northwestern Bell Telephone Company in Ames
- Parish House Addition to the Slater Bethlehem Lutheran Church
- Alterations and Addition to Bryant Elementary, Boone
- Corning Elementary School

1949
- Garner's Memorial Building

1952
- New Franklin School, Ames
- New...

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1970 – 1982

1970 - 1982

1970
- Polk Elementary School, Cedar Rapids
- Iowa State Highway Commissioned Garage, Cedar Rapids
- Telephone Building, New Providence
- Administration Building, Red Rock Dam
- Telephone Building, Union
- Addition & Alterations to Boone County Hospital, Boone

1971
- Welch Junior High School Addition, Ames
- St. Cecilia Church, Ames
- Beardshear School Addition, Ames
- Telephone Building, Blairsburg
- School Bus Garage Building, United...

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1983 – 1989

1983 - 1989

1983
- Page School Windows, Boone
- Church of Jesus Christ of Latter Day Saints, Osceola
- Boone State Bank, Boxholm
- Work Activity Center, Boone County
- Animal Holding Building, USDA, Ames

1984
- YMCA Camp Deck, Boone
- Berg Jr. High School, Newton
- Fareway Store, Emmetsburg
- Drive Up Facility, Hawkeye Savings & Loan, Boone

1985
- Telecommunications Building, ISU, Ames
- Ledges Park Latrines,...

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1990 – 1996

1990 - 1996

1990
- Mary Greeley Hospital Laboratory and Surgical Support Remodeling
- Iowa High School Athletic Assn., Boone, Iowa
- McCreary Building, Perry, Iowa
- Bagel Works Bakery, Ellsworth, Iowa
- Fire Safety Improvements Birch-Welch-Roberts Residence Halls at ISU, Ames, Iowa
- Gertrude Fellows Elementary, Ames, Iowa

1991
- Phi Kappa Psi Fraternity, Ames, Iowa
- Vet. Med. Animal Lab Improvements
- Moore Memorial Park, Ames,...

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1997 – 2002

1997 - 2002

1997
- Waukee Middle School Remodel, Waukee, Iowa
- DeKalb Slabs, Boone, Iowa
- First United Methodist Church, Ankeny, Iowa
- IES West Ames Facility Concrete Work
- 4-H Camp, Linden Hall Remodel, Madrid, Iowa
- Specialty Leather Processing, Boone, Iowa
- AMPC, Inc. - Phase 1, Boone, Iowa

1998
- AMPC, Inc. - Phase 2, Boone, Iowa
- AMPC, Inc. - Phase 3, Boone,...

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2003 – 2005

2003 - 2005

2003
- Boone Booster North Doors
- Hans Boehm Home
- Collegiate Presbyterian Church
- Ledges Wildlife Research Station
- Northcrest Community Remodel
- Dave Boehm Town Home
- Darrell Hanel Town Home
- Dick Jordan Town Home
- Model Town Home

2004
- Swan Creek Cabinets, Boone, Iowa
- Swan Creek North Building
- Randall Story State Bank
- Springbrook State Park
- Sunstrom Dental
- The Livery 2004, Boone,...

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2006 – 2008

2006 - 2008

2006
- DMACC Career Acadamy, Ames, Iowa
- Boehm Insurance Office, Boone, Iowa
- Harland Ace Hardware, Boone, Iowa
- Boone County Hospital
- Boone First Baptist Church Remodeling
- Woodward-Granger Wrestling Building
- Boone Dairy Queen Remodeling
- Boone City Hall - 2006 Interior Remodeling
- Story City Community Recreation Center

2007
- Boone City Hall, Boone, IA, City Hall
- Boone High School Classroom 9th...

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2009 – 2010

2009 - 2010

2010
- ISU Hach Hall Chemistry Building, Ames, IA
- John Caffrey Home Addition, Boone, IA
- Boone Schools Readiness 2010, Boone, IA
- Boone DNR Station, Boone, IA
- Boone Bank of the West, Boone, IA
- Evangelical Free Church Elevator, Boone, IA
- Harris Vaccines, Ames, IA
- Ogden Power Company, Ogden, IA
- Crawford Hall Family Shelter, Boone, IA
- Carroll Park...

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2011 – 2012

2011 - 2012

2011
- DMACC Cafe Remodel-Boone, IA Campus
- Boone and Scenic Valley Railroad Museum, Boone, IA
- Saylorville Wildlife Research Center, Department of Natural Resources
- ISU Hilton Scheman Floor Repair, Ames, IA
- George Eckstein Shop, Boone, IA
- US Bank Remodel, Boone, IA
- Boone Police Department Building, Boone, IA
- Dairy Queen Shed, Boone, IA
- Bank of the West Drive-up...

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2013 – 2014

2013 - 2014

2013
- Holly's Boutique, Boone, IA
- Startford Early Learning Center, Stratford, IA
- Boone Hardware, Boone, IA
- Midland Power Company, Boone, IA
- Iowa State University Fredriksen Court Apartments, Ames, IA
- Boone Municipal Airport, Boone, IA
- Ellsworth Hospital, Iowa Falls, IA
- Iowa High School Athletic Association Remodel and Addition, Boone, IA
- Iowa State University Catt Hall Renovation, Ames,...

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2015 – 2016

2015 - 2016

2015
- Green Hills Retirement
- 1st Baptist Church – Boone
- Boone County Chamber of Commerce
- Imperial Lanes Demolition
- Westhaven Kitchen
- Ace Hardware – Boone
- ISU Forker
- Westhaven Assisted Living – Boone

2016
- Pilot Mound Post Office
- Bank of the West – Ames
- Boehm Insurance – Boone
- US Bank Roof – Boone
- Midland BioProducts
- Woodward Academy
- IHSAA –...

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2017 – 2018

2017 - 2018

2017
 - Ames Pet Resort
 - Boone Historical Center
- Woodward Academy
 - Bondurant Middle School
- ISU Richardson Court
 - ISU Pearson
- DNR Ames Nursery
 - ISU Jacobson Rm 2129

2018

- Boone Historical Society
- Quinn’s Midwest Family Insurance
- Redeker Strip Mall Remodel – Boone
- Ogden Telephone Office – Boone
- Northwood Ames Preschool
- Ames Collegiate United Method Garage
- ISU Richardson
- Cyclone Car Sales
-...

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2019

2019

2019
- Boone Family Chiropractor
- ISU Armory
- Gilbert HS/MS Schools
- Gilbert Inter/Elem Schools
- Ballard HS/MS Schools
- Parkview Pharmacy
- ISU Agronomy Hall Rm 2104A
- Salvation Army Roof – Marshalltown
- ISU Food Science Rm 1833
- ISU Beyer Hall
- Ames DOT Data Center Remodel
- ISU Bessey Hall

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2020 – Current Projects

2020 - Current Projects

2020 - Current Projects
- DMACC Boone Athletic & Recreation Campus
- Roland Story Bus Barn
- ISU Vet Med Rm 2532
- ISU Reiman Garden Pergola
- Ames Homewood Golf Course Clubhouse
- ISU Vet Med Rm 1671A
- ISU Vet Med Rm 2010

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Our People

Meet Our Team

A company is only as good as its people and we have been blessed with talented, hardworking field and office personnel since our founding in 1946.